| 摘要 |
<p>PROBLEM TO BE SOLVED: To reduce the number of manufacturing processes and a processing time, and to reduce a manufacturing cost by eliminating the need of skilled work. SOLUTION: In a spool valve wherein sliding surfaces 21a, 21b and a recess groove 5 forming an actuating flow passage are arranged next to each other, the sliding surfaces 21a, 21b keeping a contact state with an inner surface and sealing the flow of actuating fluid are formed with the outer surfaces of sliding members 2a, 2b provided on synthetic resin base portions 3a, 3b in a fitting state. The synthetic resin base portions 3a, 3b are attached as a synthetic resin molded element fitted in the surface of a core 4.</p> |
